<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Dead LCD on StickC]]></title><description><![CDATA[<p dir="auto">Strange think happend, one of my stickC got a problem with internal LCD screen. Its dark without any backlight.<br />
2 weeks ago all was fine when i validate env Hat, both stick was fine until now.</p>
<p dir="auto">Any clue for HW debug ? or RMA process ?</p>
<p dir="auto">Via com all looks good i am able to program it but without any responce on LCD.</p>
<p dir="auto">Boot code:<br />
19:15:04.485 -&gt; [0;32mI (8) boot: ESP-IDF v3.3-beta1-695-g34c1c5686 2nd stage bootloader[0m<br />
19:15:04.485 -&gt; [0;32mI (9) boot: compile time 11:10:42[0m<br />
19:15:04.485 -&gt; [0;32mI (9) boot: Enabling RNG early entropy source...[0m<br />
19:15:04.485 -&gt; [0;32mI (13) boot: SPI Speed      : 80MHz[0m<br />
19:15:04.485 -&gt; [0;32mI (17) boot: SPI Mode       : DIO[0m<br />
19:15:04.485 -&gt; [0;32mI (21) boot: SPI Flash Size : 4MB[0m<br />
19:15:04.532 -&gt; [0;32mI (26) boot: Partition Table:[0m<br />
19:15:04.532 -&gt; [0;32mI (29) boot: ## Label            Usage          Type ST Offset   Length[0m<br />
19:15:04.532 -&gt; [0;32mI (36) boot:  0 nvs              WiFi data        01 02 00009000 00006000[0m<br />
19:15:04.532 -&gt; [0;32mI (44) boot:  1 phy_init         RF data          01 01 0000f000 00001000[0m<br />
19:15:04.532 -&gt; [0;32mI (51) boot:  2 factory          factory app      00 00 00010000 001f0000[0m<br />
19:15:04.532 -&gt; [0;32mI (59) boot:  3 internalfs       Unknown data     01 81 00200000 00200000[0m<br />
19:15:04.532 -&gt; [0;32mI (66) boot: End of partition table[0m<br />
19:15:04.532 -&gt; [0;32mI (70) esp_image: segment 0: paddr=0x00010020 vaddr=0x3f400020 size=0xe5bdc (941020) map[0m<br />
19:15:04.814 -&gt; [0;32mI (350) esp_image: segment 1: paddr=0x000f5c04 vaddr=0x3ffbdb60 size=0x034dc ( 13532) load[0m<br />
19:15:04.860 -&gt; [0;32mI (354) esp_image: segment 2: paddr=0x000f90e8 vaddr=0x40080000 size=0x00400 (  1024) load[0m<br />
19:15:04.860 -&gt; [0;32mI (357) esp_image: segment 3: paddr=0x000f94f0 vaddr=0x40080400 size=0x06b20 ( 27424) load[0m<br />
19:15:04.860 -&gt; [0;32mI (374) esp_image: segment 4: paddr=0x00100018 vaddr=0x400d0018 size=0xdbeac (900780) map[0m<br />
19:15:05.095 -&gt; [0;32mI (633) esp_image: segment 5: paddr=0x001dbecc vaddr=0x40086f20 size=0x0f0c8 ( 61640) load[0m<br />
19:15:05.141 -&gt; [0;32mI (654) esp_image: segment 6: paddr=0x001eaf9c vaddr=0x400c0000 size=0x00064 (   100) load[0m<br />
19:15:05.141 -&gt; [0;32mI (654) esp_image: segment 7: paddr=0x001eb008 vaddr=0x50000000 size=0x00808 (  2056) load[0m<br />
19:15:05.141 -&gt; [0;32mI (675) boot: Loaded app from partition at offset 0x10000[0m<br />
19:15:05.141 -&gt; [0;32mI (675) boot: Disabling RNG early entropy source...[0m<br />
19:15:05.141 -&gt; [0;32mI (676) cpu_start: Pro cpu up.[0m<br />
19:15:05.141 -&gt; [0;32mI (679) cpu_start: Application information:[0m<br />
19:15:05.188 -&gt; [0;32mI (684) cpu_start: Compile time:     Aug 30 2019 11:10:48[0m<br />
19:15:05.188 -&gt; [0;32mI (690) cpu_start: ELF file SHA256:  0000000000000000...[0m<br />
19:15:05.188 -&gt; [0;32mI (696) cpu_start: ESP-IDF:          v3.3-beta1-695-g34c1c5686[0m<br />
19:15:05.188 -&gt; [0;32mI (703) cpu_start: Starting app cpu, entry point is 0x400836e4[0m<br />
19:15:05.188 -&gt; [0;32mI (705) cpu_start: App cpu up.[0m<br />
19:15:05.188 -&gt; [0;32mI (713) heap_init: Initializing. RAM available for dynamic allocation:[0m<br />
19:15:05.188 -&gt; [0;32mI (720) heap_init: At 3FFAE6E0 len 0000F480 (61 KiB): DRAM[0m<br />
19:15:05.188 -&gt; [0;32mI (726) heap_init: At 3FFCB2C8 len 00014D38 (83 KiB): DRAM[0m<br />
19:15:05.235 -&gt; [0;32mI (732) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM[0m<br />
19:15:05.235 -&gt; [0;32mI (739) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM[0m<br />
19:15:05.235 -&gt; [0;32mI (745) heap_init: At 40095FE8 len 0000A018 (40 KiB): IRAM[0m<br />
19:15:05.235 -&gt; [0;32mI (751) cpu_start: Pro cpu start user code[0m<br />
19:15:05.235 -&gt; [0;32mI (97) cpu_start: Starting scheduler on PRO CPU.[0m<br />
19:15:05.235 -&gt; [0;32mI (0) cpu_start: Starting scheduler on APP CPU.[0m<br />
19:15:05.362 -&gt;<br />
19:15:05.362 -&gt; Internal FS (FatFS): Mounted on partition 'internalfs' [size: 2097152; Flash address: 0x200000]<br />
19:15:05.403 -&gt; ----------------<br />
19:15:05.403 -&gt; Filesystem size: 2035712 B<br />
19:15:05.403 -&gt;            Used: 479232 B<br />
19:15:05.403 -&gt;            Free: 1556480 B<br />
19:15:05.403 -&gt; ----------------<br />
19:15:05.685 -&gt; [0;32mI (450) [TFTSPI]: attached display device, speed=8000000[0m<br />
19:15:05.685 -&gt; [0;32mI (450) [TFTSPI]: bus uses native pins: false[0m<br />
19:15:06.193 -&gt; [ M5 ] node id:***<strong><strong><strong>, api key:</strong></strong></strong><br />
19:15:07.541 -&gt; start m5ucloud monitor</p>
<p dir="auto">19:15:07.541 -&gt;<br />
19:15:07.541 -&gt; [0;32mI (2291) m5uart: Creat m5uart task[0m</p>
]]></description><link>https://community.m5stack.com/topic/1304/dead-lcd-on-stickc</link><generator>RSS for Node</generator><lastBuildDate>Wed, 29 Apr 2026 03:46:00 GMT</lastBuildDate><atom:link href="https://community.m5stack.com/topic/1304.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 08 Sep 2019 17:21:12 GMT</pubDate><ttl>60</ttl></channel></rss>